Homemade “Steel Can” Solar Air Heater. made with STEEL CANS. produces consistent flow of hot (140F+) air. video provides full instructions on how to build it.
Have a clear understanding of your daily energy consumption before purchasing a solar electricity system for your home. Solar panels can be costly, and understanding how many you need is important. How many you need will be based on the overall daily energy consumption of your home and family, so having this information is vital in making a smart purchase.